UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rMeatN1uoEZDTbZtX5HfSAUROzY9xTcOgjnRQdEqIno=' 
WHERE 
  key_id = '2ebdaa6964867e555e15ba6b81839a14b0a8cd8d2f023b88f7d4c1c795708c48' 
  AND (
    token = 'rMeatN1uoEZDTbZtX5HfSAUROzY9xTcOgjnRQdEqIno=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )