UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'oxmDBN3P2wqYdjyHjGMuMWILaiLD0gqx1gXDkU8Mey4=' 
WHERE 
  key_id = '29da3d196c276b00ae62e745b594ad5593829c5bcd7e1c1a7bcc0f7afda73881' 
  AND (
    token = 'oxmDBN3P2wqYdjyHjGMuMWILaiLD0gqx1gXDkU8Mey4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )