UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nkaXP/Nt0yyXSQxX8i3q1j5tsxl8uf+rNprePG3BNEE=' 
WHERE 
  key_id = '2a9ca26c35839e72e08cfbad80435bbbde93552ef0f85c25cd0a22723d3c3cb5' 
  AND (
    token = 'nkaXP/Nt0yyXSQxX8i3q1j5tsxl8uf+rNprePG3BNEE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )