UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uU0tfXWKz4+PdPWAo1vcFp12cSFTZojwkDaBmuCsK+4=' 
WHERE 
  key_id = '54851655eaed3033a8670f56c577032688b7758c96d9844ee75a3234ec0b8443' 
  AND (
    token = 'uU0tfXWKz4+PdPWAo1vcFp12cSFTZojwkDaBmuCsK+4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )