INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6981b4ebf8762959f0156a310b77db81a94e3820e784d93bee7c46fe8dea342b', 
    'qJqG+kdhT2AkCYc5g6xFmiyG/X3KW25IzaKSkUFL7fs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)