UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'myL5NnFzFQgNhh891dWKpPieyRONLAMubtPnrrt0gKA=' 
WHERE 
  key_id = '2a6911ebe7e06dccd1df7cb0b6b234bab066e0b55fe7e0bb7362eada5558256e' 
  AND (
    token = 'myL5NnFzFQgNhh891dWKpPieyRONLAMubtPnrrt0gKA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )