UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't5QEYeo6ZjsX/2U8hx9AZdSXd5JaSV38VsMn67p+AOY=' 
WHERE 
  key_id = '9e4a32943f6e922f16a7d70813228d78924a383bf54a4d189919f95577948696' 
  AND (
    token = 't5QEYeo6ZjsX/2U8hx9AZdSXd5JaSV38VsMn67p+AOY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00019