UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n/6dyWC3S/JOuSuMdYviX4P25t5mHXW1imuyHLHnHtw=' 
WHERE 
  key_id = '1a3f39aa413d5335b0e24700f096101f41b3944db1469cd7f74230a50174d802' 
  AND (
    token = 'n/6dyWC3S/JOuSuMdYviX4P25t5mHXW1imuyHLHnHtw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )