UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EjJtde2qlbyv8Rzkm5yJ78LdFHDFhCbqpf9dcrVJS/I=' 
WHERE 
  key_id = '1c46295caab06843f5820c2b2e431e0f5c97d17f66f0b95c340a0b2d71022658' 
  AND (
    token = 'EjJtde2qlbyv8Rzkm5yJ78LdFHDFhCbqpf9dcrVJS/I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )