UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eW1pjECVZCkgwyAgrNBf7E0F5SNAvvCsf0ZcYibIWw0=' 
WHERE 
  key_id = 'd33ed6e29f25a82a03a5e4f2ac30452212468ca260f6b3b62d30ffa5481af44a' 
  AND (
    token = 'eW1pjECVZCkgwyAgrNBf7E0F5SNAvvCsf0ZcYibIWw0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00049