INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c51bfabfd06d32eb37426c162eeed20b348d2be4a71b47d5438a96671480d36b', 
    'B4gPEoJHQMAbrXkXkvp2v8JHNLmD+THZpAD/a2B4RhA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)