UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 's/MfyL3EyKnsXNBC/XfB5/7ENx4c00gnVRSy90ehzyA=' 
WHERE 
  key_id = '51ce53779d9116c5b03614517b49a5891286dc9096a737f2c8a98249f8b9fdd3' 
  AND (
    token = 's/MfyL3EyKnsXNBC/XfB5/7ENx4c00gnVRSy90ehzyA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )