UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'exsNtiWK73FjoCluZUzEJ8GirnGpY4+MnTlaisnEOIc=' 
WHERE 
  key_id = 'ef52c981e09aa3f64997f943f8a2c273503f88e3263f41986ac4b5a896bf0e11' 
  AND (
    token = 'exsNtiWK73FjoCluZUzEJ8GirnGpY4+MnTlaisnEOIc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )