UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kqz2nR/E0geJWvIr6apDiGLSIEBIR1aoQsVfugIKtAE=' 
WHERE 
  key_id = '50aa0a793ac60808588d2fbcb4a8acd48442ca18355133614646275d55ec3379' 
  AND (
    token = 'kqz2nR/E0geJWvIr6apDiGLSIEBIR1aoQsVfugIKtAE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )