UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a0+oyzRZwDPRCMfaWK16NQOjsI61HAaiPeV8r1KYwcM=' 
WHERE 
  key_id = '2a97fecd8bad03b9784b4123d5c68612ca4ade29866e942958c5956f0aed576b' 
  AND (
    token = 'a0+oyzRZwDPRCMfaWK16NQOjsI61HAaiPeV8r1KYwcM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )