UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MRs7LuePmli8pIRAM9S8JORx+p7dplqKYtRc/BhdZK4=' 
WHERE 
  key_id = '53f62ddd39c64a7356f62ba5ff57fe45d71b589543af2086a02db09dc9f8031e' 
  AND (
    token = 'MRs7LuePmli8pIRAM9S8JORx+p7dplqKYtRc/BhdZK4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )