UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tk4Uu4GpRo98yHSb7Imc3WKmymLlEePOWfjjvUUECqY=' 
WHERE 
  key_id = '55aef7adadd7c089ac09c67373dcff499a1283442cdf4f29003e6705653a00fd' 
  AND (
    token = 'tk4Uu4GpRo98yHSb7Imc3WKmymLlEePOWfjjvUUECqY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )