UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bP3Kui95eVBjMCNiWgIRs2v4qbflwDoZB5ou0XcCEVU=' 
WHERE 
  key_id = 'b778b5adb9e4a1864b6adec810f5786e1e180be8603f5c6de778617be26909e3' 
  AND (
    token = 'bP3Kui95eVBjMCNiWgIRs2v4qbflwDoZB5ou0XcCEVU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00027