UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MRfGn9GPsikU4eCnkCem9vi3aGR2YZpDERoh8j9z7yo=' 
WHERE 
  key_id = '8b3a2c68a0bdf42f909c6d4626b8dfd56fd8d0decb16ffe7624f5db4e3d20c1c' 
  AND (
    token = 'MRfGn9GPsikU4eCnkCem9vi3aGR2YZpDERoh8j9z7yo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )