UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PktQ8lDaW3IzlgpfsU4gNrNb92SwM2kW++ykX2e4e7A=' 
WHERE 
  key_id = 'a50d966adc5811db5d491260f8b1dc9d970e51b27af154c0d8aaf3beac5ed0e0' 
  AND (
    token = 'PktQ8lDaW3IzlgpfsU4gNrNb92SwM2kW++ykX2e4e7A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )