UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ttoMD7Cf2r2ZWu56ll2vZjrSVwJSnm8+oLLTIfy/ofg=' 
WHERE 
  key_id = '204b047342f5370d6ea36e515d4f76319d95e6efebac4790fc548168dda0294c' 
  AND (
    token = 'ttoMD7Cf2r2ZWu56ll2vZjrSVwJSnm8+oLLTIfy/ofg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )