UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RQYap9o53sqzCkkHfMPTXKblvNdqMwSSwkqXPmSDz+M=' 
WHERE 
  key_id = 'e3c10ecc0de0e579bef0cf821e42cf93fa898a4d74ccfc85f931ceb511522a86' 
  AND (
    token = 'RQYap9o53sqzCkkHfMPTXKblvNdqMwSSwkqXPmSDz+M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00034